CVE-2026-107227 AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabled

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.2.0 until 3.0.14, WebSocket permessage-deflate decompression is unbounded when compression is enabled. The inbound pipeline aggregates compressed frames befor...

CVE-2026-107227 AsyncHttpClient: Unbounded WebSocket permessage-deflate decompression enables a decompression-bomb denial of service when compression is enabled

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.2.0 until 3.0.14, WebSocket permessage-deflate decompression is unbounded when compression is enabled. The inbound pipeline aggregates compressed frames befor...

CVE-2026-107227

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.2.0 until 3.0.14, WebSocket permessage-deflate decompression is unbounded when compression is enabled. The inbound pipeline aggregates compressed frames befor...

CVE-2026-107227

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.2.0 until 3.0.14, WebSocket permessage-deflate decompression is unbounded when compression is enabled. The inbound pipeline aggregates compressed frames befor...

PT-2026-107711

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.13 AsyncHttpClient versions prior to 2.16.1 Description Cross-host request replay occurs when the current request is updated but the target request and related proxy context continue to point to the origin...

CVE-2026-107280: Sensitive Cookie with Improper SameSite Attribute

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.13 and 2.16.1, ThreadSafeCookieStore validates Domain attributes with domain matching but does not reject public suffixes. A host beneath a suffix such ...

CVE-2026-107230: Origin Validation Error

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.0.0 until 3.0.14, connection-pool partitioning still omits identity-defining fields for Kerberos, SPNEGO, NTLM, and authenticated proxy connections. Logins...

PT-2026-107682

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.12 AsyncHttpClient versions prior to 2.16.1 Description The library incorrectly infers the existence of an HTTP proxy tunnel based on the last request method instead of the result of the CONNECT request. I...

PT-2026-107683

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.13 Description In the AsyncHttpClient library, a peer offering only Digest qop=auth-int causes mutual-authentication verification to be skipped. This occurs because the computeExpectedRspAuth function in...

CVE-2026-107229: Session Fixation

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.16.0 until 3.0.14, ThreadSafeCookieStore incompletely validates cookie Domain attributes. Missing private-section and default public-suffix rules, absent...

PT-2026-107679

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.16.0 through 3.0.13 Description The ThreadSafeCookieStore component incompletely validates cookie Domain attributes. This occurs due to missing private-section and default public-suffix rules, absent A-label...

PT-2026-107681

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.13 AsyncHttpClient versions prior to 2.16.1 Description The AsyncHttpClient library, used by Java applications for asynchronous HTTP requests and responses, contains an issue where Realm.Builder incorrectl...

CVE-2026-107228: Improper Authentication

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the enabled-by-default cookie store replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contribut...

PT-2026-107684

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.13 AsyncHttpClient versions prior to 2.16.1 Description The ThreadSafeCookieStore component validates Domain attributes using domain matching but fails to reject public suffixes. This allows a host located...

PT-2026-107678

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 2.1.0 through 3.0.13 Description The enabled-by-default cookie store in the AsyncHttpClient library replaces a Cookie header explicitly supplied through setHeader or addHeader whenever the store contributes any cookie...

PT-2026-107685

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.13 AsyncHttpClient versions prior to 2.16.1 Description The AsyncHttpClient library, used by Java applications for asynchronous HTTP requests and responses, contains an issue where the HTTP/1.1...

PT-2026-107714

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.12 AsyncHttpClient versions prior to 2.16.1 Description When executing a proxied WebSocket ws request via the CONNECT method, the NettyRequestFactory.newNettyRequest and requestUri functions determine...

PT-2026-107712

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.12 AsyncHttpClient versions prior to 2.16.1 Description The Realm.Builder generates the HTTP Digest client nonce using ThreadLocalRandom instead of a cryptographically secure random source. Because HTTP...

CVE-2026-107283: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, Realm.Builder generates the HTTP Digest client nonce with ThreadLocalRandom rather than a cryptographically secure random source. Digest...

CVE-2026-107231: Cleartext Transmission of Sensitive Information

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.13 and 2.16.1, Realm.Builder treats a Digest challenge that yields no usable nonce as a Basic challenge. A malicious origin or proxy can label a challen...